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peripheral nerve detailed > motor fctn sensory reflex upper and lower > Flashcards

motor fctn sensory reflex upper and lower Flashcards

1
Q

S2
motor function
sensory
reflex

A

Motor function: plantar flexion, hip ext
Sensory: Posterior medial leg to mid thigh
Reflex: none (achilles)
(S2,3,4 keeps poo off the floor - pudendal nerve)

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2
Q

S1
motor function
sensory
reflex

A

Motor: hip ext & abd; knee flex, hallux ext (DF), plantar flexion; eversion
Sensory : lateral foot, lateral shin, posterior calf & thigh
Reflex: achilles

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3
Q

L5
motor function
sensory
reflex

A

Motor function: Hip ext & abd; knee flex; foot & hallux ext (dorsiflexion); inv and eve
Sensory: Antero-lateral shin to medial malleolus & medial foot and digits
Reflex: Medial hamstring

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4
Q

L4

A

Motor function: Hip add & abd; knee ext, foot inv and dorsiflexion
Sensory: lower middle thigh, anterior knee & medial shin
Reflex: Patellar

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5
Q

L3

A

Motor function: Hip flexion, hip adduction, knee extension
Sensory: Mid thigh, superolateral to antero medial knee
Reflex: None (patellar)

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6
Q

inferior gluteal

A

L5,S1,S2
Motor function: Hip ext & external rot
Sensory: None
Reflex: None

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7
Q

superior gluteal

A

Motor function: Hip abd and internal rotation
Sensory: None
Reflex: None

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8
Q

superficial fibular

A

Motor function : Eversion via fibularis longus & brevis
Sensory: anterolateral leg
Dorsum (upper surface) of foot except space btn 1 & 2
reflex: none

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9
Q

deep fibular

A

L4 - S2
Motor function: dorsiflexion, inversion,

extensor hallux longus & brevis
ext digiitorum longus & brevis
tibalis anterior

Sensory: webbing btn hallux & 2nd digit
Reflex: none

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10
Q

tibial

A

L4 - S3
Motor fctn: Plantar flexion, hallux flexion, toe flexion
- politeus, tibilias posterior, flexor digitorum longus, flexor hallicus longus
Sensory: plantar surface of foot, heel, posterolateral calf
reflex: achilles
* tarsal tunnel
* muscles of posterior leg and majority of foot muscles

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11
Q

sciatic

A

L4 - S3
Motor function: Knee flexion
Sensory: none
Reflex : Medial hamstring

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12
Q

obturator

A

Motor function: Hip adduction
Sensory: Medial mid thigh
reflex: None

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13
Q

femoral

A

L2 - 4
Motor function: Hip flexion (pectineus, iliacus, sartorius)
knee extensors -quads (RF, VL,VM,VI)
Sensory: Anteromedial thigh, medial knee; calf to malleolus
Reflex: Patellar

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14
Q

T1

A

Motor strength: Grip strength, finger abduction, thumb opposition
Sensory: Anterior medial forearm (inside of arm)
Reflex:none

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15
Q

C8

A

Motor function: Shoulder adduction; elbow ext, wrist flexion, grip strength, finger abduction, thumb opposition
Sensory: Posterior distal medial forearm, digits 4 & 5
Reflex: Triceps

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16
Q

C7

A

Motor function: Shoulder adduction, elbow extension, wrist flex & ext
Sensory: Centre palm, digits 2, 3, 4
Reflex: triceps

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17
Q

C6

A

Motor function: Shoulder abduction & adduction, elbow flex & ext; wrist flex & ext
Sensory: Lateral mid brachium, lateral forearm and digits 1 & 2
Reflex : Brachioradialis / biceps

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18
Q

C5

A

Motor function: Shoulder abduction, elbow flexion
Sensory: Strip over deltoid attachment running mid brachium
Reflex: Biceps /brachioradialis

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19
Q

suprascapular

A

Motor function: External rotation, mild shoulder abduction
(via supraspinatus & infraspinatus)
Sensory: None testable (?ac joint)
Reflex: none

20
Q

Long thoracic

A

Motor function: Scapular protraction and upward rotation
Sensory: none
Reflex: None

21
Q

dorsal scapular

A

Motor function: Scapular retraction (rhomboids & lev scap)
Sensory none
Reflex None

22
Q

musculocutaneous

A

C5 - 7
Motor function: anterior compartment
of arm (coracobrachialis, biceps, brachialis)
Elbow flexion
Sensory: Lateral forearm (lateral cutaneous nerve of forearm)
Reflexes: Biceps

23
Q

ulnar

A

C8 - T1
Motor function: Finger abduction
Sensory: Medial hand, digits 4 & 5; distal medial antebrachium/wrist
Reflex: None

24
Q

median

A

C6 - T1
Motor function: Wrist flexion, grip strength, thumb opposition
flexion & pronation of forearm
(pronator teres, CR, Pl, FDS, FPL, PQ)
Sensory: Anterior lateral wrist, thenar, digits 1 – 4 - tips posterior
Reflex: none

  • CTS - palm spared via palmar cutaneous branch
25
Q

radial

A

C5 - T1
Motor function: elbow ext, wrist ext, finger ext, forearm supination
Sensory: Anterior distal brachium; posterior lateral arm
dorsal hand
dorsum digits 1 - 3
Reflex: Triceps and brachioradialis

injury - unopposed wrist flexion = wrist drop

26
Q

axillary

A

C5,6
Motor function: Shoulder abduction; some external rotation
deltoid & teres minor
Sensory: Lateral shoulder to mid brachium
Reflex: none

compression in quadrangular space - esp overhead athletes (weakness deltoid & teres minor = shoulder abd & ER)

erbs palsy - stretch of neck and shoulder - unable to abd or ER

27
Q

ulnar nerve palsy - damage at elbow

A

flexion of wrist happens with abd - due to paralysis of FCU & medial 1/2 FDP
- adduction & abd of fingers cannot occur
- mvmt 4th & 5th fingers imparied
- adduction of thumb impaired

28
Q

ulnar nerve palsy - damage at wrist

A
  • only intrsinc muscles of hand affected
  • no add or abd of fingers
  • mvmt 4th & 5th finger impaired
  • adduction of thumb impaired
    +ve froment sign
  • wasting of hypothenar eminence
29
Q

Canadian c spine rules high risk factors

A
  • > 65 yo
  • dangerous mechanism: fall > 92 cm; axial load to head; MVC high speed > 100 km/h / rollover/ejection; motorized recreational vehicle; bicycle crash
  • paresthesias in extremities
30
Q

Canadian c spine rules low risk factors

A
  • simple rear end
  • sitting in ED
  • ambulatory (at any time)
  • delayed onset neck pain
  • absence of midline c spine tenderness
31
Q

Canadian c spine rule categories

A
  1. High risk factors
  2. low risk factors
  3. Able to rotate neck 45 degrees L & R
32
Q

WAD classification I

A

neck pain and stiffness or tenderness, no physical signs

33
Q

WAD classification II

A

neck complaint and musculoskeletal signs
- dec ROM
- point tenderness
- spasm / swelling
- likely muscle and ligament tears

34
Q

WAD classification III

A

neck complaint and neurological signs
- dec / absent tendon reflexes
- weakness
- sensory deficits
- pressure on nerves secondary to stretched neural tissues

35
Q

WAD classificaiton IV

A

neck complaint and fracture/ dislocation

36
Q

recommended treatment for WAD

A
  1. stay active to optimize recovery
  2. exercise is effective
  3. simple analgesics for pain relief
37
Q

no evidence or harm for treating WAD

A

no evidence:
- traction
- cervical pillows / cervical collars
- magnetic necklaces
- heat/ice/tens/us

38
Q

muscles involved in shoulder flexion

A

anterior deltoid
biceps
coracobrachialis
pec major

39
Q

muscles involved in shoulder extension

A

posterior deltoid
latissmus dorsi
triceps
teres major

40
Q

muscles involved in shoulder abduction

A

middle deltoid
supraspinatus

41
Q

muscles involved in shoulder horizontal adduction

A

pec major
coracobrachialis
anterior deltoid

42
Q

muscles involved in shoulder adduction

A

lat dorsi
teres major
pec major

43
Q

muscles involved in horizontal abduction of shoulder

A

posterior deltoid
teres major

44
Q

muscles involved in internal rotation

A

subscapularis
pec major
latissimus dorsi

45
Q

muscles involved in external rotation

A

infraspinatus
teres minor

peripheral nerve detailed (2 decks)

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